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Physicists Explain the Remarkable Energy-Harvesting Efficiency of Perovskite Solar Cells
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Physicists explain the remarkable energy-harvesting efficiency of perovskite solar cells
Light can hit a lead halide perovskite crystal that is anything but pristine and still end up as useful electric current. That mismatch has bothered solar researchers for more than a decade. Silicon needs an almost spotless lattice. Perovskites, grown cheaply from solution, are packed with defects, strain, and disorder. Yet their solar-cell efficiencies have climbed into the same neighborhood. A new paper in Nature Communications from physicists…
Perovskite solar cells now achieve efficiencies that rival silicon. Yet, no one fully understood why they perform so exceptionally well. Now researchers think they finally understand the mechanism. Most solar panels on our roofs are made of silicon. It's a material that has been used since the 1950s to convert sunlight into electricity. […] Want to learn more about science? Read the latest articles on Scientias.nl .
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